角果藻属（学名：Zannichellia）是角果藻科下的一个属。该属仅有角果藻（Zannichellia palustris）一种，分布于全球。

Zannichellia (common name horned pondweed) is a genus of submerged aquatic flowering plant. The genus is fully adapted to an aquatic life cycle including underwater pollination. Zannichellia has threadlike leaves and tiny flowers.

There are perhaps five species, including Zannichellia palustris. Zannichellia, after G.G. Zannichelli, 1662-1729, Italian botanist.